#ifndef __FRQ_H__
#define __FRQ_H__
#include <STC15F2K60S2.H>
void I2CStart(void);
void I2CStop(void);
void I2CSendByte(unsigned char byt);
//unsigned char I2CReceiveByte(void);
unsigned char I2CWaitAck(void);
//void I2CSendAck(unsigned char ackbit);

void set_dac(unsigned char value);
#endif